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1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef ECMASCRIPT_DFX_STACKINFO_JS_STACKGETTER_H
17 #define ECMASCRIPT_DFX_STACKINFO_JS_STACKGETTER_H
18 
19 #include <csignal>
20 
21 #include "ecmascript/compiler/gate_meta_data.h"
22 #include "ecmascript/deoptimizer/deoptimizer.h"
23 #include "ecmascript/interpreter/frame_handler.h"
24 
25 namespace panda::ecmascript {
26 enum class RunningState : size_t {
27     OTHER = 0,
28     GC,
29     CINT,
30     AINT,
31     AOT,
32     BUILTIN,
33     NAPI,
34     ARKUI_ENGINE,
35     RUNTIME
36 };
37 
38 struct MethodKey {
39     void *methodIdentifier = nullptr;
40     RunningState state = RunningState::OTHER;
41     kungfu::DeoptType deoptType = kungfu::DeoptType::NOTCHECK;
42     bool operator < (const MethodKey &methodKey) const
43     {
44         return state < methodKey.state ||
45                (state == methodKey.state && methodIdentifier < methodKey.methodIdentifier) ||
46                (state == methodKey.state && methodIdentifier == methodKey.methodIdentifier &&
47                deoptType < methodKey.deoptType);
48     }
49 };
50 
51 struct NodeKey {
52     struct MethodKey methodKey = {0};
53     int parentId = 0;
54     bool operator < (const NodeKey &nodeKey) const
55     {
56         return parentId < nodeKey.parentId ||
57                (parentId == nodeKey.parentId && methodKey < nodeKey.methodKey);
58     }
59 };
60 
61 struct FrameInfoTemp {
62     char codeType[20] = {0}; // 20:the maximum size of the codeType
63     char functionName[100] = {0}; // 100:the maximum size of the functionName
64     char recordName[500] = {0}; // 500:the maximum size of the recordName
65     int columnNumber = -1;
66     int lineNumber = -1;
67     int scriptId = 0;
68     char url[500] = {0}; // 500:the maximum size of the url
69     struct MethodKey methodKey = {0};
70 };
71 
72 class JsStackGetter {
73 public:
74     static bool CheckFrameType(JSThread *thread, JSTaggedType *sp);
75     static bool ParseMethodInfo(struct MethodKey &methodKey,
76                                 const FrameIterator &it,
77                                 const EcmaVM *vm,
78                                 FrameInfoTemp &codeEntry,
79                                 bool isCpuProfiler = false);
80     static bool CheckAndCopy(char *dest, size_t length, const char *src);
81     static void GetNativeStack(const EcmaVM *vm, const FrameIterator &it, char *functionName,
82                                size_t size, bool isCpuProfiler);
83     static RunningState GetRunningState(const FrameIterator &it, const EcmaVM *vm, bool isNative,
84                                         bool topFrame, bool enableVMTag = false);
85     static void GetNativeMethodCallPos(FrameIterator &it, FrameInfoTemp &codeEntry);
86     static void *GetMethodIdentifier(Method *method, const FrameIterator &it);
87 };
88 } // namespace panda::ecmascript
89 #endif  // ECMASCRIPT_DFX_STACKINFO_JS_STACKGETTER_H